.OnlineView
  height 100%
  overflow hidden
  background #fff
  padding 0.3rem
  .ant-tree
    width 20%
    float left
  .fileView
    height 650px
    width 80%
    float right
    padding 0.2rem
    border 0.13rem solid #F6F8FA
    iframe
      .container
        max-width auto !important
  .ant-tree li .ant-tree-node-content-wrapper
    position relative
    width 80%
  .ant-tree li span.ant-tree-iconEle
    position absolute
    right 0
